US20130074337A1 - Multifunctional platform of wind power generating unit and blade disassembling method - Google Patents

Multifunctional platform of wind power generating unit and blade disassembling method Download PDF

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Publication number
US20130074337A1
US20130074337A1 US13/703,008 US201013703008A US2013074337A1 US 20130074337 A1 US20130074337 A1 US 20130074337A1 US 201013703008 A US201013703008 A US 201013703008A US 2013074337 A1 US2013074337 A1 US 2013074337A1
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US
United States
Prior art keywords
blade
platform
wind turbine
crane
platform frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/703,008
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English (en)
Inventor
Xianshun Tan
Baonian Jin
Libin Yao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinovel Wind Group Co Ltd
Original Assignee
Sinovel Wind Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinovel Wind Group Co Ltd filed Critical Sinovel Wind Group Co Ltd
Assigned to SINOVEL WIND GROUP CO., LTD. reassignment SINOVEL WIND GROUP CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JIN, BAONIAN, TAN, XIANSHUN, YAO, LIBIN
Publication of US20130074337A1 publication Critical patent/US20130074337A1/en
Abandoned legal-status Critical Current

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Classifications

    • F03D11/00—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/207—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by wind turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/605—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes scaffolding winshes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/70—Disassembly methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49318—Repairing or disassembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
    • Y10T29/53974—Means to assemble or disassemble with work-holder for assembly having means to permit support movement while work is thereon

Definitions

  • This invention relates to a blade maintenance platform of the offshore wind turbine, and to a blade replacing method of the offshore wind turbine.
  • Wind power generation develops quickly as an important component of clean energy.
  • wind farms continuously have been built all over the world; as onshore wind farms have begun to be established, offshore wind farms develop increasingly.
  • the wind turbine is more and more economical and efficient and thus the capacity of single wind turbine increases continually, as the technology of wind power generation develop and the performance of the wind turbine improve and enhance gradually.
  • the main object of the invention is to provide a multifunctional platform of the wind turbine used for blade replacement, blade maintenance and tubular tower maintenance in the wind turbine, and a blade disassembling method in which the blade is replaced with the above platform through the maintenance crane equipped on the wind turbine without disassembling the rotor.
  • a wind rope is not required when replacing the blade, so as to reduce the requirement to installing areas.
  • the multifunctional platform comprises: a platform frame which includes a base having an annular central hole and two support arms, the support arms being parallel to each other, and extending from one side of the base; a winding mechanism which is used to translate the platform upward and downward and includes at least three traction devices, the traction devices being distributed around the annular central hole, and being fixed on the base; a plurality of tubular tower clamping mechanisms which are fixed around the circumference of the annular central hole of the platform frame, each of the tubular tower clamping mechanisms comprising a telescopically actuating mechanism and a clamping plate, the telescopically actuating mechanism being bringing the clamping plate to protrude in a direction toward the center of the annular central hole; a moving dolly which slides on the two support arms; two blade adjusting support abutments which are respectively equipped on the protruding ends of the two support arms; two sets of blade drawing mechanisms, one end of each set of blade drawing mechanism is connected with
  • the platform further comprises a plurality of anti-impacting mechanisms, each of which has one trolley wheel with a flexible outer surface, the trolley wheel pivotally arranged on one trolley wheel frame through one horizontal trolley wheel shaft, and the trolley wheel frames of the anti-impacting mechanisms installed on the inner circumference of the annular central hole of the platform frame.
  • the clamping plate has one cambered surface, on which a layer of soft rubber pad is equipped.
  • the telescopically actuating mechanism is a hydraulic cylinder, a leading screw nut or a pneumatic cylinder.
  • the blade drawing mechanisms are manual calabashes or electric calabashes.
  • the traction devices are electric winding engines, hydraulically powered winding engines or electric calabashes.
  • a displacement controlling mechanism is equipped between each of two ends of the moving dolly and a corresponding one of the two support arms of the platform frame, and a power mechanism is equipped on the base or on the moving dolly to drive the displacement controlling mechanism so as to adjust the position of the moving dolly.
  • the displacement controlling mechanism comprises two sprockets fixed to both ends of each support arm and a chain wound between the two sprockets, while the both ends of the moving dolly is respectively fixedly connected to the sprocket on a corresponding support arm
  • the power mechanism comprises a worm and worm wheel mechanism, in which the power resource for the worm screw is manually driven, motor driven, pneumatically driven or hydraulically driven, and the shaft of the worm wheel is connected to one of the sprockets, and the two sets of sprockets on the two support arms are connected to each other via a coupling.
  • a walk platform and a guardrail are fixed on the outside of the platform frame.
  • a blade disassembling method characterized in that it comprises steps of:
  • FIG. 1 illustrates an axonometric schematic view of the overall structure of a multifunctional platform in accordance with the invention
  • FIG. 1A illustrates a partial enlarged schematic view of FIG. 1 ;
  • FIG. 2 illustrates a top view of a multifunctional platform in accordance with the invention
  • FIG. 3 illustrates a structural perspective schematic view of an embodiment in accordance with the invention fixed on a tubular tower
  • FIG. 4 illustrates a top view of an embodiment in accordance with the invention fixed on a tubular tower
  • FIG. 5 illustrates a structural schematic view of an anti-impacting structure in accordance with the invention
  • FIG. 6 illustrates a structural schematic view of a tubular tower clamping mechanism in accordance with the invention
  • FIG. 7 illustrates a schematic view showing the operating principle for disassembling a blade from a rotor in accordance with the invention.
  • the present invention provides a multifunctional platform, as shown in FIG. 1 , FIG. 1A and FIG. 2 , comprising:
  • a platform frame 1 which is an installing base for functional components and provides an operating platform for operators to facilitate the operation, wherein the platform frame 1 is a separated structure including leading and trailing portions connected through bolts, so as to facilitate transportation and installation; in this embodiment, the platform frame 1 includes a base 11 having an annular central hole 10 and two parallel support arms 12 , the support arms 12 being parallel to each other, and extending from one side of the base 11 ; 2.
  • a winding mechanism 2 which is used to translate the platform upward and downward and includes at least three electric winding engines 21 , the traction devices being distributed around the annular central hole 10 , and being fixed on the base 11 , wherein in this embodiment, there are four electric winding engines 21 ; however, the electric winding engines 21 can be replaced by various traction devices such as hydraulic winding engines or electric calabashes; 3.
  • An anti-impacting mechanism 3 which has one trolley wheel 31 with flexible outer surface, the trolley wheel 31 pivotally arranged on one trolley wheel frame 33 through one horizontal trolley wheel shaft 32 , as shown in FIG. 5 , wherein as can be seen in FIG.
  • the trolley wheel frame 33 of the anti-impacting mechanism 3 is installed on inner perimeter of the annular central hole 10 of the platform frame 1 , so that the trolley wheel 31 with flexible outer surface can dampen the impact between the platform frame 1 and a tubular tower 9 when the platform frame 1 slides upward and downward on the tubular tower; 4.
  • a tubular tower clamping mechanism 4 which as shown in FIG.
  • the tubular tower clamping mechanism 4 is operated in a way that the piston rod hydraulically pushes out the clamping plate 43 ; a great friction can be created between the platform frame 1 and the tubular tower 9 by the soft rubber pad 44 in close press fit with the tubular tower 9 so as to effectively prevent the rotation of the platform frame 1 to assure the operational stability of the multifunctional platform; the clamping mechanism 4 acts to clamp the tubular tower 9 only in the case that the platform frame 1 is not required to move up and down, and to limit the rotation of the platform frame 1 around the tubular tower 9 ; the limitation for ho
  • a moving dolly 5 a displacement controlling mechanism is equipped between each of two ends of the moving dolly and a corresponding one of the two support arms 12 of the platform frame 1 , and a power mechanism is equipped on the base 11 or on the moving dolly 5 to drive the displacement controlling mechanism so as to adjust the position of the moving dolly 5
  • the displacement controlling mechanism comprises two sprockets 51 fixed to both ends of each support arm 12 and a chain 52 wound between the two sprockets 51 , while each of the both ends of the moving dolly 5 is respectively fixedly connected to the sprocket 52 on a corresponding support arm 12
  • the power mechanism comprises a worm and worm wheel mechanism 53 fixed on the base 11 , in which the power resource for the worm screw is manually driven, and the shaft of the worm wheel is connected to one of the sprockets 51 , and the two sets of sprockets 51 on the two support arms 12 are connected to each other via a coupling 54 to assure synchronous rotation
  • the power resource for the worm screw can be motor driven, pneumatically driven or hydraulically driven
  • the displacement controlling mechanism can be in form of a gear and rack, a synchronous belt and pulley or a leading screw nut and the like; when a gear and rack is used as the displacement controlling mechanism, the rack is fixed on the support arm 12 and the gear is installed on the moving dolly 5 , while the power mechanism also is installed on the moving dolly 5 and the two gears are required to be connected to each other via the coupling 54 in order to assure synchronous rotation;
  • a blade adjusting support abutment 6 which is disposed on the protruding end of the support arm 12 and is used to provide a bearing base for replacing the blade and achieve the adjustment of the angle and position of the blade, wherein in this embodiment, two blade adjusting support abutments 6 are respectively equipped on the protruding ends of the two support arms 12 ; 7. a walk platform and a guardrail 7 , which are fixed on the outside of the platform frame 1 , so as to facilitate operating the components on the platform frame 1 and assure the security of the operators; 8.
  • a blade drawing mechanism 8 which is used to adjust the angle and position of the blade 91 upon replacing the blade 91 , wherein in this embodiment, there are two sets of blade drawing mechanisms 8 which can be in form of manual calabashes; the blade drawing mechanism 8 is coupled at one end to a sling rope of the blade 91 and at another end to the blade adjusting support abutment 6 of the blade 91 , so as to achieve drawing the blade 91 through the action of the manual calabashes; however, it should be appreciated that the blade drawing mechanism 8 can be in form of other mechanism such as electric calabash and the like.
  • tying sling ropes at three positions of the blade 91 using the platform frame 1 with a first sling rope S 1 and a second sling rope S 2 tied respectively on both sides of the weight center of the blade 91 , e.g. the first sling rope S 1 tied on a root side of the blade, the second sling rope S 2 tied on a tip side of the blade, and a third sling rope S 3 spaced apart from the second sling rope and closer to the blade tip side than the second sling rope;
  • installing the blade 91 is reverse to the order in the process of disassembling the blade 91 : firstly, installing the hook on the blade 91 root, tying sling ropes at three positions of the blade 91 with the position of the sling ropes similar to those when disassembling the blade 91 , the wind turbine maintenance crane 92 placed onto the hook, placing the first sling rope S 1 and the second sling rope S 2 onto a hook of a crane ship, adjusting the blade 91 from horizontal orientation to longitudinal orientation and delivering the blade to a hub by using the cooperation of the wind turbine maintenance crane and the crane ship without the blade root in contact with the hub, hoisting the platform frame 1 to an operating position and clamping stably the platform frame to the tubular tower 9 maintaining the posture of the blade 91 , placing the third sling rope S 3 on the drawing mechanism, tensioning the drawing mechanism, loosening the sling ropes of the crane ship so that the blade 91 is not subject to a pull force of the crane ship, and delivering the blade 91 to

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
US13/703,008 2010-06-09 2010-10-25 Multifunctional platform of wind power generating unit and blade disassembling method Abandoned US20130074337A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201010200359.5 2010-06-09
CN2010102003595A CN102275071B (zh) 2010-06-09 2010-06-09 风电机组多功能平台及叶片拆卸方法
PCT/CN2010/001684 WO2011153675A1 (fr) 2010-06-09 2010-10-25 Plate-forme multifonctionnelle d'unité de production d'énergie éolienne et procédé de désassemblage de pale

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US20130074337A1 true US20130074337A1 (en) 2013-03-28

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US13/703,008 Abandoned US20130074337A1 (en) 2010-06-09 2010-10-25 Multifunctional platform of wind power generating unit and blade disassembling method

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US (1) US20130074337A1 (fr)
EP (1) EP2581336A4 (fr)
CN (1) CN102275071B (fr)
AU (1) AU2010355208A1 (fr)
BR (1) BR112012031219A2 (fr)
CA (1) CA2801819A1 (fr)
WO (1) WO2011153675A1 (fr)

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KR101523942B1 (ko) * 2013-12-18 2015-05-29 전자부품연구원 풍력 발전장치 메인터넌스 승강 작업장치 및 승강 작업장치 수평 제어방법
CN104832377A (zh) * 2015-05-15 2015-08-12 湖南大学 一种用于塔筒外壁维护平台的卡爪
US20150226179A1 (en) * 2012-10-23 2015-08-13 General Electric Company Method and system for replacing a single wind turbine blade
KR20150111575A (ko) * 2014-03-26 2015-10-06 케이.엘.이.에스 주식회사 풍력발전기의 유지보수용 작업대
WO2016175339A1 (fr) * 2015-04-27 2016-11-03 케이.엘.이.에스 주식회사 Plate-forme de travail de maintenance de générateur d'énergie éolienne
CN106837706A (zh) * 2017-01-06 2017-06-13 瑞麦（宁波）机械设计制造有限公司 一种风力发电机叶片安装装置
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AU2010355208A1 (en) 2013-01-10
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EP2581336A4 (fr) 2014-03-12
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